57905895905 has 16 divisors (see below), whose sum is σ = 81635166144. Its totient is φ = 38873887680.

The previous prime is 57905895871. The next prime is 57905895911. The reversal of 57905895905 is 50959850975.

It is not a de Polignac number, because 57905895905 - 2¹⁸ = 57905633761 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40492919 + ... + 40494348.

It is an arithmetic number, because the mean of its divisors is an integer number (5102197884).

Almost surely, 2^57905895905 is an apocalyptic number.

57905895905 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

57905895905 is a deficient number, since it is larger than the sum of its proper divisors (23729270239).

57905895905 is a wasteful number, since it uses less digits than its factorization.

57905895905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80987296.

The product of its (nonzero) digits is 25515000, while the sum is 62.

The spelling of 57905895905 in words is "fifty-seven billion, nine hundred five million, eight hundred ninety-five thousand, nine hundred five".